898090172 has 24 divisors (see below), whose sum is σ = 1801529184. Its totient is φ = 383749632.

The previous prime is 898090169. The next prime is 898090187. The reversal of 898090172 is 271090898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38153 + ... + 57024.

It is an arithmetic number, because the mean of its divisors is an integer number (75063716).

Almost surely, 2^898090172 is an apocalyptic number.

It is an amenable number.

898090172 is an abundant number, since it is smaller than the sum of its proper divisors (903439012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898090172 is a wasteful number, since it uses less digits than its factorization.

898090172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95525 (or 95523 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 898090172 is about 29968.1526290828. The cubic root of 898090172 is about 964.8059681299.

The spelling of 898090172 in words is "eight hundred ninety-eight million, ninety thousand, one hundred seventy-two".